Home / 12,818.32-19,227.64-4,054

Finding the Fourth Proportional to 12,818.32, 19,227.64 and 4,054

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Solution

The fourth proportional to 12,818.32, 19,227.64 and 4,054 is: 6,081.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,818.32 : 19,227.64 = 4,054 : x
  2. Step 2: Convert to fraction form
    12,818.32/19,227.64 = 4,054/x
  3. Step 3: Cross multiply
    12,818.32x = 19,227.64 × 4,054
  4. Step 4: Simplify right side
    12,818.32x = 77,948,852.56
  5. Step 5: Solve for x
    x = 77,948,852.56/12,818.32
  6. Step 6: Final answer
    x = 6,081.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.